This study measures the cost of malaria among households in Kenya. The overall objective of the study is to determine the economic burden of malaria among households in Kenya.The methodology involved the use of cost of illness approach .The study uses cross sectional data from the welfare monitoring survey(1997). The direct costs and indirect costs of the illness are computed to estimate total costs. The findings shows that on average household spend Kshs 983 per malaria episode. The direct cost of illness amounted to Kshs 420 per case which represented 43 % of the total cost of a malaria episode to a household. The indirect cost of illness were estimated at Kshs563 per household.This represented 57% of the total cost of illness due to malaria.